How to turn on Wi-Fi on a laptop. How to make Wi-Fi on Android turn off when not in use

I will describe all the methods known to me turn on Wi-Fi networks on a laptop (after all, everything that can be turned off can be turned on?!) I’ll start with simpler and more common methods, then I’ll move on to more in complex ways, which the units will need.

So if you see on taskbar icon Wi-Fi is turned off (or you don’t see the icon at all), then this article is for you.

Turn on Wi-Fi using the slider/button on the laptop body.

On many laptop models, to turn on Wi-Fi, you need to use the slider or a separate button to turn on Wi-Fi. Often this switch is located on the front end of the laptop.

The switch looks different, but has one function - on and off wireless network.

To turn on Wi-Fi, simply move the slider to the On position.

How to turn on Wi-Fi using a keyboard shortcut.

If your laptop doesn't have sliders or individual buttons turn on Wi-Fi, take a close look at the keyboard, you may find wifi icon on one of function keys(F1-F12).

It can be located on different buttons, it all depends on the manufacturer and model of the laptop.

In order to turn on Wi-Fi, you need to press this key or use a keyboard shortcut +<клавиша Wi-Fi>.

Let's look at the key combinations that are most often used in laptops from different manufacturers:

Acer. Press the keys: +.
Asus. Combination +.
HP. Click here +.
Lenovo. Required buttons: +.
Samsung. Or +, or +.
Dell key combination +or +

How to enable Wi-Fi in Windows settings.

If the above procedures did not help and you still wondering How to enable Wi-Fi on a laptop? you need to check whether the wireless network connection is turned on in Windows settings. To do this, you need to go to the Network Control Center and shared access. One way is to right-click on network icon in the lower right corner of the screen and select "Network and Sharing Center".

Another way to use hotkeys + enter the command ncpa.cpl and press Enter.

It doesn’t matter which method you used, the result will be the same - a window will appear on the monitor Network connections. Next you need to find wireless connection right-click on it and select “Enable” (if the Enable option is not available, then the Wi-Fi network is enabled).

Enable Wi-Fi through Windows Device Manager.

If it's still yours Wi-Fi adapter is not enabled, you need to check whether it is enabled in the task manager. To do this, click the Start button, right-click Computer, and select Manage. From the left menu, select Device Manager.

Or press the keyboard shortcut + enter the command in the search bar mmc devmgmt.msc and press Enter.

If the adapter icon is marked with a down arrow, it means it is turned off; to turn it on, right-click on it and select “Enable”.

Update drivers for Wi-Fi.

Another reason not Wi-Fi performance Maybe it's an inappropriate driver or lack of one. In order to install required driver, go to the laptop manufacturer’s website, find your model (on some sites this will be difficult to do, you can write the laptop model in the comments, I will try to help you) and download the driver for network card Wi-Fi for your operating system. After this, it will be enough to install the drivers after rebooting laptop wifi must earn it.

No matter how you turned on the wireless network, you should eventually see a Wi-Fi icon in the taskbar. When you click on it, you will see the Wi-Fi networks available for connection.

In this article, we will figure out why Wi-Fi on Android does not turn on and what can be done about it.

Users often encounter the problem that Wi-Fi on their phones does not turn on. In fact, the problem is completely solvable, try the methods described below.

The article was written for owners Samsung smartphones, but many techniques are suitable for all Androids.

Why Wi-Fi does not connect on Android - the most common reasons

The first reason is lack RAM. Check the RAM status, free space must be at least 45 MB - only in this case can we say something about normal operation Wi-Fi.

The second reason is that the energy saving mode is turned on.

Let's start solving the Wi-Fi problem

Cleaning RAM

Go to the memory menu and perform two-level cleaning:

1. At the first stage, all running processes. Approximately 800 MB of memory should be freed.

2. At the second stage, applications running in background(believe me, this saved more than one user).

Restarting the phone

Don’t confuse this with a reboot, we’ll talk about that later.

Restarting is done like this:
turn on the “Flight” mode;
turn off your smartphone;
remove the battery for five minutes;
Without inserting the battery, press the on/off button for a minute;
replace the battery, turn on the smartphone;
now check if Wi-Fi connects.

Turn off power saving mode

To do this:

Open the dialer;
dial *#0011#
in the maintenance mode that opens, press Menu;
click on WIFI;
turn off power saving mode (in many Galaxy devices it is enabled by default).

Checking the "In Flight" mode

Just in case, check if this mode is enabled. If yes, turn off and turn on Wi-Fi again.

In principle, it’s difficult to miss the enabled “In Flight” mode, because other restrictions arise, but it doesn’t hurt to check again.

Update the firmware and change the router channel

Go to the router's IP address:

Linksys – http://192.168.1.1
3Com – http://192.168.1.1
D-Link – http://192.168.0.1
Belkin – http://192.168.2.1
Netgear - http://192.168.0.1.

After logging in, go to the wireless network settings and set the desired channel.

You can find out which one to choose using the wifi analyzer on your Android, or you can choose a channel between 4-7. These channels work best in most places.

After changing the channel, go to Advanced and click on Firmware Upgrade.

Disconnect all devices

You've probably heard about an IP conflict, when several network users share the same IP - this can block the data flow.

What to do:
disconnect all devices from the router: smartphones, tablets and computers;
turn off the router for a minute;
turn on the router again and connect only one device to it;
If the connection is successful, connect other devices.

Rebooting the smartphone

Rebooting means completely disconnecting the phone from the power source. In some cases this works.

If there is removable battery, remove it (just make sure it is not connected to charger), set aside for 1-2 minutes and then return to place. Turn on the device, check that Wi-Fi is connected.

If the battery cannot be removed, you can restart the phone in another way: hold down the on/off button for 10–20 seconds.

Checking our applications

Sometimes Wi-Fi problem appears due to third-party applications. If you remember after which application you downloaded your phone stopped connecting to Wi-Fi, try deleting it.

If you don't know which program to use, go to safe mode(All third party applications disconnect) and check your Wi-Fi.

If there is, then the problem is in some program. Try to identify it and remove it. Or reset to factory settings.

How to enter safe mode:

Press and hold the phone's on/off button for a few seconds - a menu should appear;
select safe mode ( safe mode);
confirm entry - ok.

How to return to factory settings:

Setting – Accounts tab ( Accounts) – Backup and reset – Factory data reset(Data reset).

Before performing a data reset, back up all important information, because after the operation your phone will be like out of the box.

How to do backup copy data. There are several ways:

1. Using a friend Kies program(often used to update software on Galaxy devices).

2. Using a Google account: Settings – General – Backup & Reset.

Two options will be offered here: backup And automatic recovery. Select them and passwords, application data, Google settings, bookmarks, etc. will be copied to the Google server.

3. When Samsung help account: Application – Settings – User and backup(User and Backup) – Account. Make sure you are logged in Samsung account. If the option is enabled, your contacts, calendar, and Internet settings will be synchronized.

From the experience of one of the users, developer Timmavajjula

“After the fourth reboot of the smartphone, I noticed that at the second stage of startup, when asked about connecting to Wi-Fi, the presence of networks is checked and it is possible to connect to one of them.

If you notice the same thing, reset to factory settings, and when the smartphone asks for registration with Samsung and Google, be sure to select the option to restore data from the server (although it seems to me that the problem is with Samsung).

Everything is fine with Wi-Fi now. There is no need to go to Settings – Accounts and manually set backup/restore separately for Google and Samsung. When I did as I wrote, the problem did not recur.”

Solution tested by user Waqas Khan
Follow these points:
1. Touch and hold the Wi-Fi icon until you see the Smart Network Switch Window.
2. Go to the field to the left of the Home button.
3. Click on Advanced.
4. Make sure it says Always Allow Scanning.
5. Try connecting to Wi-Fi. Everything should be ok.
The above tips apply to all Samsung and Android devices, including Galaxy S2, Galaxy S3, S4, S6, S7, Galaxy S6 and S7 Edge. If all else fails, you should take the device for diagnostics to the nearest service center.

How to turn it on or offWi– Fion Android

Let’s say right away that everything is solved simply:

go to the settings menu, which is hidden behind the “curtain”;
find the Wi-Fi item, you will see a switch here;
Slide the switch to turn wireless network access on or off.

How to turn it on or offWi– FioniOS

Turning Wi-Fi on/off on iPhone, iPad and iPod is more or less similar to the above. Go to the settings menu, click on the Wi-Fi icon and slide the switch to the desired position.

How to turn it on or offWi– FiVWindows

In this OS you can also turn wireless networks on and off, but the process is slightly different:

go to the Start menu – Control Panel;
find Network & Internet category;
go to the Networking and Sharing center;
in the menu that opens on the left, find the item Change adapter settings;
find your connection, right-click to connect;
do the same to turn off Wi-Fi.

The Wi-Fi module in a tablet or phone running the Android operating system is one of the most important components today. Wireless networks surround not only homes, but also at work, in your favorite coffee shops and even in public transport. Wi-Fi on Android usually doesn't turn on at the most inopportune times. Why might this happen? There are several options:

the password is entered incorrectly;
the network connection or system settings are lost;
there was a failure in the operating system;
the wrong firmware was installed;
failed on its own Wi-Fi module.

Most often the problem turns out to be in the settings. Of course, if a smartphone falls into water, there is a possibility that something is wrong with the module. But if nothing happened, and the network suddenly disappeared, the error is most likely a software one.

If Wi-Fi on Android does not start, first of all you should:

Often the reason for Wi-Fi not working is very simple. But it does not always consist in wrong password or out of time. If after all the steps the Wi-Fi icon is still gray, it’s time to move on to something more decisive.

Restoring settings

The most simple solutions to restore Wi-Fi consists of setting the correct date and time. If airplane mode is not active and the date and time are correct, you can try resetting the device to factory settings. Having previously saved the data in cloud storage or on another device.

Android users faced a problem eternal loading when trying to update or install applications via Play Market. This also affected the performance of the network. If this is your case, try clearing the Play Market cache and deleting temporary files.

Router settings

You come into additional settings and you get the error " mac address unavailable"? Turn off Wi-Fi on the device, as well as the router itself. After a while, connect back and try to access the network again. If this does not help, the encryption settings on the router itself may have been changed. Some Android devices simply do not see the channels encryption higher than 11. Change the router settings and connect again.

Android engineering menu settings

If your device is based on MediaTek processor(on most devices with Qualcomm processor there is no such option), you can go to engineering menu and set Wi-Fi settings directly through it. You can open it using the command “*#*#3646633#*#*” entered in the dial pad. For some tablets that do not have this panel, you can install special utilities to exit to engineering mode. The settings are checked and set in the "connection" tab.

Setting up something through the engineering mode is only worth it if you are an advanced user Android platforms. This is a mode for developers; any changes at random can lead to unpleasant consequences.

Wi-Fi settings on Android TV-box

The TV Box, which also runs on Android, like smartphones and tablets, is also not without connection problems. To work with it, it is recommended to use external Wi-Fi adapter or connect a cable, but this will only improve the speed. And if there is no Wi-Fi connection at all, then it is recommended:

Go to the file manager.
Find the WIFI folder and the wpa_supplicant.conf file in it.
Delete file.
Wait a while and start searching for Wi-Fi on the set-top box.
The device will automatically find a connection.

Didn't help? Time to check the software.

Software glitches

Wi-Fi may not work or randomly disconnect due to recently installed applications. Go to Application Manager on mobile device and see which one gets the most activity during departure. Such an application usually also mercilessly eats up the battery, so the smartphone or tablet “dies” faster. It will be enough to delete the application or install another version with which the error was not observed.

It is recommended to check whether you have any applications that restrict Internet access. So you can set restrictions through a number of firewalls even without root rights. There are also special utilities for checking software, thanks to which you can see which application is causing the network to generate an error. Additionally, it is recommended to check your device for viruses - some of them may create problems with network connection via Wi-Fi.

Installing the wrong firmware

The cause of problems with the operation of the Wi-Fi module may be custom firmware blocking the connection. Manufacturers recommend installing only official versions firmware: custom options are not always reliable. If problems arise after flashing, you should roll back the device to factory default or flash it again. Only now on the official one.

Let's consider today the problem when the Wi-Fi network is unstable, and when the connection to the Wi-Fi network is periodically interrupted, or the Internet connection is lost. It seems to me that this is even worse than when the Internet does not work at all. Because the problem is not clear, everything seems to be working, but not as it should, the signal disappears, devices turn off, and other incomprehensible moments. It’s just that when something doesn’t work, it’s at least clear where to look for a solution, but in such a situation nothing is clear at all.

What causes an unstable Wi-Fi connection:

Periodic disconnections of devices from the Wi-Fi network. Or the Internet simply breaks for a while (), and everything starts working again. A very popular problem that causes a lot of inconvenience. For example, a laptop is connected to a Wi-Fi network, and the Internet is working. But periodically a yellow one appears near the connection icon exclamation mark, and the Internet disappears. Loading files, etc. gets lost. And as a rule, after a while the connection is restored.
Devices do not connect to the Wi-Fi network the first time, or do not see the Wi-Fi network.
The Wi-Fi network completely disappears and appears.
Very low speed Internet via wireless network (everything is fine via cable).
When the Wi-Fi connection only works close to the router.
The wireless network signal level is constantly changing.

This, of course, is not the entire list of problems that are associated with unstable operation of wireless networks. There may be many more. Very often, Wi-Fi works fine for a while, and then problems begin and go away again. You may also notice the appearance of problems, for example in the evenings, or at other times of the day.

If you have something similar, and you seem to have an Internet connection, but you can’t always use it ( use without any problems), then now we will try to fix everything.

Changing the wireless network channel when Wi-Fi is unstable

This is the first and most main advice, which is a must try. We know that every Wi-Fi network operates on some channel. If there are many of these networks, then they begin to interfere with each other, and interference appears. As a result, Wi-Fi is unstable. Well, different strange problems, which I wrote about above, and which you have most likely already encountered.

You need to change the Wi-Fi network channel in the router settings. Details about channels, about finding a free one and about changing to different models routers, I wrote in a separate instruction:

You can try setting some kind of static channel (if you have Auto), or vice versa, set Auto if a static channel was selected. In the article linked above, I wrote about finding the most free channel using the inSSIDer program. You can use it.

You just need to go to the router settings, go to the tab where you configure the wireless network, and in the Channel item change the channel. This is what it looks like on Tp-Link routers:

And on Asus routers:

After each channel change, do not forget save the settings and reboot the router. Be sure to try several options. It should help.

As for interference, it can be created household appliances. Do not place the router near microwave ovens, cordless phones, etc.

The Internet is cut off via Wi-Fi: router firmware, and other tips

Almost always, such problems in the wireless network occur due to the router. Not rarely, this is due to the firmware. Therefore, I strongly recommend updating the firmware of your router. We have instructions on our website for all popular manufacturers. Here's an example:

It is also possible that the wireless network may be unstable due to some technical problems with router. Something with the board itself, or the power adapter. By the way, it is power adapters that very often cause such problems. The router just doesn't receive proper nutrition and connection breaks appear, etc. Well, strong changes in the power supply can affect the operation of the router. If the Internet goes out after you put some kind of load on the router (online videos, games, torrents, connecting new devices, etc.), then this is usually due to an inexpensive (not powerful) router.

Need to eliminate problems on the ISP side. It may well be that the connection is broken on its end, and the router has nothing to do with it. It’s very easy to check, just connect the Internet directly to your computer and check its operation.

For many people, the connection breaks down in those rooms where there is very bad signal Wi-Fi networks. When, for example, only one division of the network signal remains on the device.

In such a situation, you need to increase the range of your Wi-Fi network. We have an article on this topic:. Or, install . After this, problems with Internet interruptions should disappear.

And if you find a lot of devices at home available networks, which operate at 2.4 GHz (as is most likely your network), and changing the channel, and even changing the router does not produce results, and the Wi-Fi network is very unstable, then this problem can be solved by purchasing a router that supports operation at a frequency of 5 GHz. This frequency is practically free. I just know a case where there were a lot of wireless networks in the house, and Wi-Fi was simply impossible to use until they switched to the 5 GHz frequency.

If the Internet disappears on only one laptop

And of course, it’s not uncommon for all devices to connect and work with a wireless network without any problems or disconnections, but one device keeps disconnecting, losing connection, etc. It’s not hard to guess that most often this device is called a laptop and runs on Windows.

In such cases, it is imperative to update the wireless adapter driver. I wrote how to do this. It is possible that the problem may be in the hardware. And it appears very often after disassembling the laptop (cleaning dust). Why is this so? During assembly, the antenna that is built into the laptop often suffers. These are the problems with working with Wi-Fi networks. Very often, after this the Internet only works near the router itself.

Update: changing Wi-Fi network properties

Open Network and Sharing Center and click on your Wi-Fi network. In the new window, click on the “Wireless Network Properties” button and check the box next to “Connect even if the network does not broadcast its name (SSID).” Click Ok.

If it doesn’t help, and Wi-Fi continues to fall off, then in the same window, on the “Security” tab, you can click on the “ Additional options" and check the box next to "Enable Federal Information Processing Standard (FIPS) compatibility mode for this network."

You can restart your computer. Thanks to Alexander for this advice. He suggested it in the comments to this article.

Here are some tips, if you have interesting information on this topic, personal experience, then write in the comments. You can ask questions there, I will definitely answer!

Android is the most used, feature-rich and powerful operating system, on the basis of which an unlimited number of high-quality, interesting and accessible applications have been created. Due to its versatility and huge demand, it is successfully used for software for smartphones, tablets, netbooks, smart watches, smartbooks, and TVs. But, even with the most proven shells, small difficulties arise, from which even this system is not immune during use. Therefore, we will look at what to do when problems arise with the Wi-Fi connection on your Android device. Today we will find the answer to the question, why doesn’t Wi-Fi turn on on Android?

Reasons and solution

Wi-Fi on your phone or Android tablet, may not work for several reasons. It should be noted that not only owners may encounter this tablet computers, but also people using mobile phones, based on this popular system. What should users do if it doesn’t turn on? wifi samsung device, we will look for the cause and eliminate the root of the problem.

One of the root causes if Wi-Fi stops working on Android, which is extremely rare, is that it’s incorrect set date and time. To eliminate it, just go to “Settings”, set correct date and time, taking into account the time zone.
The second and most common problem– change password when automatic connection to the network. That is, the password has been changed by the user, but Android system still “doesn’t know” about it. To fix this problem, using the interface or hotkeys, go to the connection settings Wi-Fi networks, delete the profile with which the connection was previously established and create the connection again, select from the list available connections yours, enter the required characters in the window that appears. Further, connection to the password-protected network will occur automatically.
Software glitches ( Software) - the third of possible reasons when Wi-Fi on Android stops connecting. For this they use Wi-Fi utility Fixer, created specifically to solve this problem. Without making any changes in the program settings, I download and install this application. After installing the utility, information about the current status of the device will appear, and all devices that have ever been connected will be displayed in the “Known” tab. Then we restart the smartphone or computer tablet and try to connect again.
The fourth problem, if Wi-Fi does not work on Android, is a failure in the settings. To bypass it, you can reset the settings to factory settings, with further restoration. Go to “Settings”, select “Backup and reset”, click “Reset settings”. Or we do the full " Hard reset", but then all data is deleted, that is, the device will be the same as after purchase.

Sometimes users install inappropriate Android firmware, as a result of which it is violated correct work radio modules, including wifi module on Samsung phones or tablets. The solution in this situation is to install or update the basic firmware on the Samsung.

These viruses again!

One of the most unpleasant reasons when Wi-Fi does not turn on is the impact malware, the so-called virus programs, on the operation of the device’s radio modules. To eliminate viruses on your phone, you need to do a deep scan with the built-in antivirus.

Setting up the router

The venerable seventh place is occupied by an error that pops up when connecting to Wi-Fi - a failure or incorrect setting router. Elimination of this error is carried out in the router settings. You can find out how to do this from the device instructions. This is especially true if you use home network. In the control menu, select “Wireless Network Settings”. Change the parameter to “Auto” in the “Channel” line, and the “Mode” line to the “11 bgn mixed” parameter. We disable MAC address filtering to make sure that the router does not filter the addresses of connected devices. Let's try to connect.

And now it’s definitely time to go to the master

If none of the above methods helped, then the problem is in the radio module itself; wifi will not work until the chip is re-soldered. In this situation, the best solution, you will need to contact a service center (for example, Samsumg) or a competent and trusted computer technician under warranty.

It must be remembered that any intervention by incompetent persons in the operation of the system, even when solving the problem when Wi-Fi does not connect, creates a huge risk of turning your favorite gadget into a useless piece of plastic, the resuscitation of which will require significant financial costs and your nerves.

According to the unspoken tradition, I will leave a video instruction, perhaps it will help you restore wifi functionality on your Samsung tablet or phone.